Contaminated water: In a sample of 41 water specimens taken from a construction site, 23 contained detectable levels of lead. Part 1 of 3 (a) Construct a 95% confidence interval for the proportion of water specimens that contain detectable levels of lead. Round the answers to at least three decimal places. A 95% confidence interval for the proportion of water specimens that contain detectable levels of lead is 4091

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Contaminated water: In a sample of 41 water specimens taken from a construction site, 23 contained detectable levels of lead.
Part 1 of 3
(a) Construct a 95% confidence interval for the proportion of water specimens that contain detectable levels of lead. Round the answers to at least three
decimal places.
A 95% confidence interval for the proportion of water specimens that contain detectable levels of lead is .4091 <p<.7129
Part: 1/3
Part 2 of 3
(b) Construct an 80% confidence interval for the proportion of water specimens that contain detectable levels of lead. Round the answers to at least three
decimal places.
An 80% confidence interval for the proportion of water specimens that contain detectable levels of lead is
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Transcribed Image Text:Contaminated water: In a sample of 41 water specimens taken from a construction site, 23 contained detectable levels of lead. Part 1 of 3 (a) Construct a 95% confidence interval for the proportion of water specimens that contain detectable levels of lead. Round the answers to at least three decimal places. A 95% confidence interval for the proportion of water specimens that contain detectable levels of lead is .4091 <p<.7129 Part: 1/3 Part 2 of 3 (b) Construct an 80% confidence interval for the proportion of water specimens that contain detectable levels of lead. Round the answers to at least three decimal places. An 80% confidence interval for the proportion of water specimens that contain detectable levels of lead is Skip Part 2 Check 3 OC 64 5 MacBook Air 7 X <p< D Save For Later Submit As 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center
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